Shoe upper



FIG. 1 is a top plan view of a shoe upper showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof, the broken line showing of asole being environmental only, and forms no part of the claimed design.

The ornamental design for a shoe upper, as shown and described.